IOP_REG_DC0 864 drivers/scsi/advansys.c #define AscReadChipDC0(port) (ushort)inpw((port)+IOP_REG_DC0) IOP_REG_DC0 865 drivers/scsi/advansys.c #define AscWriteChipDC0(port) outpw((port)+IOP_REG_DC0, data)